参考文献

Volodarskii,L.B.; Tikhonova,L.A. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1975 , vol. 11, p. 649 - 652 Khimiya Geterotsiklicheskikh Soedinenii, 1975 , vol. 11, p. 748 - 752